Steinhaus, L A Cardio-respiratory fitness of young and older active and sedentary men. [electronic resource] - British journal of sports medicine Dec 1988 - 163-6 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. ISSN: 0306-3674 Standard No.: 10.1136/bjsm.22.4.163 doi Subjects--Topical Terms: AdultAging--physiologyBlood PressureCardiovascular Physiological PhenomenaExerciseHeart RateHumansMaleMiddle AgedOxygen ConsumptionPhysical FitnessRespiratory Physiological Phenomena